Math Forum

Re: dumb matrix question

On 05/12/2011 03:44 AM, robin wrote:
> "Eli Osherovich" wrote in message

"Eli Osherovich" wrote in message news:iqdgc8$5la$1@dont-email.me...
| By the way, I do not know whether you

On 05/08/2011 05:29 AM, vjp2.at@at.BioStrategist.dot.dot.com wrote:
> THanks. I'm getting rusty.. the backslash was what

THanks. I'm getting rusty.. the backslash was what I was thinking about..
no one in the matlab groups had a clue.. much obliged

On 04/22/2011 04:54 AM, vjp2.at@at.BioStrategist.dot.dot.com wrote:
> If I want to divide the elements of a row of a

Another two option can be:

(diag(sum(a'))\a)

or

(a'/diag(sum(a')))'

P.S.
You can replace sum(a') with sum(a, 2)

*+-Why didn't you post this question in comp.soft-sys.matlab

Because they were clueless when I asked two years ago.

*+-Hope this

On Apr 21, 9:54 pm, vjp2...@at.BioStrategist.dot.dot.com wrote:
> If I want to divide the elements of a row of a matrix

If I want to divide the elements of a row of a matrix by the sum of that row,
is there a simple MATRIX op (in MatLab) that will do